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Solvent pops

Welcome Forums Main Forum Paint and Refinish Solvent pops

This topic contains 7 replies, has 5 voices, and was last updated by Profile photo of paul paul 2 years, 8 months ago.

Viewing 8 posts - 1 through 8 (of 8 total)
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  • #47378
    Profile photo of mark
    mark
    Participant

    Ok, so I repainted the Chevelle after it sat for a couple weeks with no mottling but it got solvent pops only on the fenders. Can I scuff and reclear over the pops or do I need to block reprime and reshoot them?

    #47382
    Profile photo of Ben Hart
    Ben Hart
    Participant

    If the solvent pop is minor enough, and you have enough clear to work with, then you could sand and reclear.

    If it’s too deep, you could have it show in the reclear, or you may burn through when trying to sand it out.

    #47383
    Profile photo of mark
    mark
    Participant

    If I burn through to clear can I just spot sealer on the burn throughs then recolor and clear?

    #47384
    Profile photo of mark
    mark
    Participant

    And I was curious what could’ve caused JUST the fenders to get pops? I waited almost an hour between base and clear

    #47386
    Profile photo of Chris
    Chris
    Participant

    With nice flat panels like bonnets and doors it is easy to get the correct paint thickness with your gun distance from the panel and overlap. When you come to guards then it can become trickier because most people spray following the curve of the wheel arch and then go to a horizontal movement once they get above the arch. Very easy to get more paint thickness here and in the curve on the top of the guard as your overlap increases to compensate for a heavy middle because it is closer to the gun.

    Depending on ambient temperature an hour flash before clear should be enough but if your base was overly thick in these areas and flash between coats insufficient then solvent pop is a possibility. Other possibilities include reducer choice, force drying of base, air flow in the booth….the list goes on. Really a bit hard to be definitive without having seen the application.

    #47462
    Profile photo of Jesse Wilkie
    Jesse Wilkie
    Participant

    If you can 800 it smooth without opening the solvent pops it will be okay to reshoot but if the turn into littlewhite dots while ssand in they will have to be removed completely before relocating. Pops often will happen if the Gardner/ rescuers are too fast for the temp you are spraying in. Even with dry base the clear can skim over trapping its own solvents. Try choking up the gun and giving a little more flash time between coats. Also check to make sure the temperature of the vehicle matches the clear you are mixing. Good luck!

    #47463
    Profile photo of Jesse Wilkie
    Jesse Wilkie
    Participant

    Wholly spell check! Hardened/ reducers **

    #47564
    Profile photo of paul
    paul
    Participant

    Sherwin Williams have a recommendation to reclear next day without flatting or scotching which they say will fill the solvent pops

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